Barcode reader and sensors

Sensors

• Electronic device or object capable of detecting
• real-life conditions and interpreting what it has detected into data
• that the device can understand.
• A good example of a sensor is a motion sensor that may
• be connected to a computer to help detect motion within a building.
• Other sensors may detect heat, light, radiation, and sound. The picture
• shows a Microsoft Fingerprint sensor and reader, a hardware device that
• allows you to identify yourself with the computer using your finger.
• 
• Legenda: By Allan and Mahia

Barcode reader

• Lines of different widths and sizes representing data, that when read determine what the scanned object is. Barcodes
• are often used to help organize and index information or prices about
• an object. Barcodes used by the U.S. postal service that helps speed the
• delivery of mail is another perfect example of how a barcode could be
• used. The picture is an example of what a barcode of an address.
•